#234F93
Closest named color: Dusk Blue (#26538D). oklch(43.5% 0.122 259), rgb(35, 79, 147).
Aa
White text reads best on this color (8.04:1).
About this color
#234F93 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.122 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.017 away. White text reads best on it, at 8.04:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.61:1 |
| White text | 8.04:1 |
Values
| HEX | #234F93 |
| RGB | rgb(35, 79, 147) |
| HSL | hsl(216, 62%, 36%) |
| OKLCH | oklch(43.5% 0.122 259) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #234F93 | 8.04:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #234F93 | 2.61:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #234F93 text on white | 8.04:1 | AAA | Lc 87.5 | Fine for body text |
| #234F93 text on black | 2.61:1 | Fails | Lc -14.6 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF8
oklch(93.7% 0.02 257.5)
-
Step 200
200
#CADAF4
oklch(88.4% 0.04 260.1)
-
Step 300
300
#A5C2EF
oklch(80.8% 0.071 259.1)
-
Step 400
400
#75A1E7
oklch(70.6% 0.114 259.4)
-
Step 500
500
#5088E0
oklch(63% 0.146 259.1)
-
Step 600
600
#3370CE
oklch(55.5% 0.159 259)
-
Step 700
700
#265DB3
oklch(49% 0.149 259.3)
-
Step 800
800 (this color)
#234F93
oklch(43.5% 0.122 259)
-
Step 900
900
#204173
oklch(37.8% 0.094 258.6)
-
Step 950
950
#132643
oklch(26.9% 0.06 258.6)
#234F93 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2C5696 | 0.023 |
| Deuteranopia (no green cones) | #144B92 | 0.017 |
| Tritanopia (no blue cones) | #005F6A | 0.095 |
| Achromatopsia (no color) | #505050 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #234F93
#234F93
oklch(43.5% 0.122 259)
- #6B4A00
#6B4A00
oklch(43.4% 0.09 79.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #234F93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.017
- Cobalt #1E488F ΔE 0.022
- Light Navy #155084 ΔE 0.028
- Deep Sea Blue #015482 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.046
- Blueberry #464196 ΔE 0.053
- Twilight #4E518B ΔE 0.054
Use #234F93 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.